Problem is, i cant find a bc148 transistor and im looking for a substitute. The bc is a generalpurpose npn bipolar junction transistor commonly used in european. Year 187 bc was a year of the prejulian roman calendar. I am kinda new to this circuit making stuff, and i took a introductory subject to electrical engineering. Bc549c is an npn transistor in a small plastic case. Itt intermetall 3 page contents 195 to 199 bias resistor transistors 201 to 204 addresses alphanumerical list of types 4 list of types 189 to 193 darlington transistors 5 to 17 technical information 19 to 65 smallsignal transistors npn 67 to 1 smallsignal transistors pnp 115 to 157 dmos transistors nchannel 159 to 187 dmos. I have across this circuit across a lot of forums and was just wondering if i could replace bc547 q1 in the circuit with.
Com datasheet search site for electronic components and semiconductors and other semiconductors. Bel187 transistor datasheet pdf, bel187 equivalent. Vce limits of the transistor that must be observed for reliable operation. Probably lots of others too because it is a general purpose low current transistor. You can use bc 171172173 for bc 108 and bc 327,bd 579 for bc141. I have a small circuit which controls the speed of a dc motor as per the ambient temperature. Equivalent for the bel187 transistor datasheetparts. I have across this circuit across a lot of forums and was just wondering if i could replace bc547 q1 in the circuit with the commonly used 2n2222 npn transistor. Substitute to bc148 transistor electronics forum circuits. I want to build this circuit, but i dont have the proper transistors.
Bc187 transistor high quality bc187data sheet is a general purpose switching and amplification,e. The complimentary transistor is very useful for symmetrical pushpull amplifier circuits. Bc557 transistor as switch when a transistor is used as a switch it is operated in the saturation and cutoff region as explained above. As discussed a transistor will act as an open switch during forward bias and as a closed switch during reverse bias, this biasing can be achieved by supplying the required amount of current to the base pin. Bc212b amplifier transistors pnp silicon features these are pb. At the time it was known as the year of the consulship of lepidus and flaminius or, less frequently, year 567 ab urbe condita. Bc140, 141 npn medium power transistors page 2 310505 v1. Flat side of transistor and adhesive tape visible 2000 pcs. Jan, 2020 bc372 transistor datasheet pdf darlington transistors. Bc 108 is a low power npn general use transistor and bc 141 is a npn middle power transistor ic0. Apr 16, 2019 bc187 datasheet pdf bc datasheet, bc pdf, bc data sheet, datasheet, data sheet, pdf, central semiconductor, leaded small signal transistor general purpose.
Pnp silicon planar epitaxial transistors bc 556, a, b an is. The bc548 is an example of the modern lowcost member of this family, still in a throughhole package, while the bc848 is the surfacemount version. Applications general purpose switching and amplification. Bc372 transistor datasheet pdf darlington transistors. Bel187 datasheet, equivalent, cross reference search. A, february 2000 bd579 1 to126 npn epitaxial silicon transistor absolute maximum ratings tc25c unless otherwise noted. Bc184 datasheet, equivalent, cross reference search. Transistor equivalent or substitute used for power amplifier. Can you guys help me find out the transistors that can. This is identical in every respect to the npn type, except that it is a pnp type. Pinning pin description 1 emitter 2 base 3 collector fig. Tube bc 187 or rohre bc187 id43123, transistor, wires and universal shown. See all formats and editions hide other formats and editions.
Free devices maximum ratings rating symbol value unit collectoremitter voltage vceo. These transistors are utilised in audio frequency, and small signal directly coupled preamplifiers. Oct 08, 2019 bc187 datasheet pdf bc datasheet, bc pdf, bc data sheet, datasheet, data sheet, pdf, central semiconductor, leaded small signal transistor general purpose. Bc 108 is a low power npn general use transistor and bc 141 is a npn middle power transistoric0.
The denomination 187 bc for this year has been used since the early medieval period, when the anno domini calendar era became the prevalent method in europe. Semiconductortransistor crossreference list peavey. Unit dc current gain at v ce 1 v, ic 100 ma current gain group16. Oct, 2006 bel187 is a low voltage power npn tranasister manufactured by bharat electronics limited bel in india. Pnp general purpose transistor bc177 features low current max. Aug 27, 2010 you can use bc 171172173 for bc 108 and bc 327,bd 579 for bc141. Im putting together components for an intercom circuit i am hoping to build. Can general purpose transistors like 2n3904, 2n4401, bc547, 2n2222, etc. The pnp equivalent is the complimentary transistor, which is the bc557. The surfacemount package versions are the bc to bc and pnp versions. I cant find the bel187 transistor needed for the circuit. World transistor equivalents data az by eca author 4. Pinning pin description 1 emitter 2 base 3 collector, connected to the case fig.
Bc549c transistor the bc549c is an npn transistor belonging to a group of generalpurpose npn semiconductors consisting of bc547, bc548, and bc549. Apr 01, 2009 after comparing the spec sheets online and doing a little bit of googling, i found that pnp transistor 2n3906s characteristics and specs seem to fit pretty well with bc559 and bc548 fits fairly well with 2n3904s. Its equivalent transistors are 2n and 2sc some manufacturers place slightly different limits on the gain groups, for example the b group has been quoted as in a philips datasheet. Transistor equivalent to bc212, bc257, 2sb725, nte159 brand. After comparing the spec sheets online and doing a little bit of googling, i found that pnp transistor 2n3906s characteristics and specs seem to fit.